From 8486cb96c120234f6780543590a6013d8f81cf32 Mon Sep 17 00:00:00 2001 From: Björn Stenberg Date: Mon, 24 Nov 2008 20:51:05 +0000 Subject: Preliminary button driver for Sansa Fuze. FS#9575 by Thomas Martitz. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19206 a1c6a512-1295-4272-9138-f99709370657 --- .../target/arm/as3525/sansa-fuze/button-fuze.c | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) (limited to 'firmware') diff --git a/firmware/target/arm/as3525/sansa-fuze/button-fuze.c b/firmware/target/arm/as3525/sansa-fuze/button-fuze.c index ee463ab2de..36a0f3aeda 100644 --- a/firmware/target/arm/as3525/sansa-fuze/button-fuze.c +++ b/firmware/target/arm/as3525/sansa-fuze/button-fuze.c @@ -67,10 +67,59 @@ void clickwheel_int(void) } #endif /* BOOTLOADER */ +/* device buttons */ + /* device buttons */ void button_int(void) { + int dir_save_b = 0; + int afsel_save_b = 0; + int dir_save_c = 0; + int afsel_save_c = 0; + int_btn = BUTTON_NONE; + + /* Save the current direction and afsel */ + dir_save_b = GPIOB_DIR; + afsel_save_b = GPIOB_AFSEL; + dir_save_c = GPIOC_DIR; + afsel_save_c = GPIOC_AFSEL; + + GPIOB_DIR = 0; + GPIOB_AFSEL = 0; + GPIOC_DIR = 0; + GPIOC_AFSEL = 0; + + /* These should not be needed with button event interupts */ + /* they are necessary now to clear out lcd data */ + GPIOC_PIN(0) |= 1; + GPIOC_PIN(1) |= 1; + GPIOC_PIN(2) |= 1; + GPIOC_PIN(3) |= 1; + GPIOC_PIN(4) |= 1; + GPIOC_PIN(5) |= 1; + GPIOC_PIN(6) |= 1; + GPIOC_PIN(7) |= 1; + + /* direct GPIO connections */ + if (GPIOB_PIN(4)) + int_btn |= BUTTON_POWER; + if (!GPIOC_PIN(6)) + int_btn |= BUTTON_DOWN; + if (!GPIOC_PIN(5)) + int_btn |= BUTTON_RIGHT; + if (!GPIOC_PIN(4)) + int_btn |= BUTTON_SELECT; + if (!GPIOC_PIN(3)) + int_btn |= BUTTON_LEFT; + if (!GPIOC_PIN(2)) + int_btn |= BUTTON_UP; + + /* return to settings needed for lcd */ + GPIOB_DIR = dir_save_b; + GPIOB_AFSEL = afsel_save_b; + GPIOC_DIR = dir_save_c; + GPIOC_AFSEL = afsel_save_c; } /* -- cgit v1.2.3